What is the letter "ghost" in poker? J -？

A deck of poker ***52 main cards, plus two ghost cards, one big and one small, is also called "Joker".

When you say J above, it means Jack, which means knight.

Q is the queen, K is the king, and everything else is 1 to 10.

The cards were originally adapted from the calendar. 52 cards represent 52 weeks, and all the points add up to 364, plus 1 ghost card represents 365 days, plus 2 cards represent 366 (leap year). There are many other sayings about cards. If you are interested, you can check Baidu.